It came out of my mouth.

Kerri's friend was outside, so Kerri wanted to go outside to play. Unfortunately, we had to go out, so I said no. Kerri started complaining and whining, and said, "Why does my friend get to play outside but I can't?".

And then it came out of my mouth. "If your friend jumps off a bridge, are you going to jump off a bridge too?", I grumbled.